特色和特點:
·GSM/GPRS支持850/900/1800/1900 MHz四種頻率
·支持虛擬串行端口(Virtual COM)技術(shù)
·可通過虛擬串行端口(Virtual COM)做遠(yuǎn)程參數(shù)設(shè)定
·支持Modbus TCP轉(zhuǎn)Modbus RTU Protocol功能
·提供1個 RS-232 和1個RS-485供虛擬串行端口(Virtual COM)使用.
·1個工具口(Utility port)供參數(shù)設(shè)定使用
·內(nèi)建看門狗功能
·電源反相保護(hù)
·電源輸入10 VDC ~ 30 VDC
·DIN Rail的導(dǎo)軌設(shè)計,安裝方便
更詳細(xì)的信息,請連至下列網(wǎng)址: http://m2m.icpdas.com/GT-541.html
使用者手冊,請參考下列網(wǎng)址: http://ftp.icpdas.com/pub/cd/usbcd/napdos/GT-541/manual/
產(chǎn)品型錄,請參考下列網(wǎng)址: http://m2m.icpdas.com/datasheet/GT-541_Datasheet.pdf
2G/3G網(wǎng)關(guān)產(chǎn)品比較表:
Win-GRAF PAC | GT-541 | RMV-514 | RMV-531 | GRP-520 |
2G System(MHz) | GSM 850/900/1800/1900 |
3G System(MHz) | - | - | WCDMA 850/900/1900/2100 | WCDMA 850/1900/2100 |
Serial to 2G/3G | Yes | Yes | Yes | Yes |
Transfer rate | 62.5 bps | 62.5 bps | 62.5 bps | 1.25 Kbps |
Ethernet to 2G/3G | - | - | - | Yes |
Modbus TCP to RTU Gateway | Yes | - | Yes | Yes |
RS-232/RS-485 | 1/1 | 0/1 | 1/1 | 0/1 |
1200 mAh Battery | - | 30 min | - | - |
DI (Count) | - | 6 (0) | - | - |
DO | - | 2 | - | - |
AI | - | 1 | - | - |